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authorTomer Tayar <tomer.tayar@cavium.com>2019-01-20 11:36:39 +0200
committerDavid S. Miller <davem@davemloft.net>2019-01-22 17:30:39 -0800
commit278396de78a9b59a692bc140233bde3a9d8a8a31 (patch)
tree23a281c75b625d7583b984fd1de0669b6c215080 /include
parentc75860e48a7634ff8dc050842211f79a0e4e6c46 (diff)
downloadlinux-278396de78a9b59a692bc140233bde3a9d8a8a31.tar.bz2
qede: Error recovery process
This patch adds the error recovery process in the qede driver. The process includes a partial/customized driver unload and load, which allows it to look like a short suspend period to the kernel while preserving the net devices' state. Signed-off-by: Tomer Tayar <tomer.tayar@cavium.com> Signed-off-by: Ariel Elior <ariel.elior@cavium.com> Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/qed/qede_rdma.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/qed/qede_rdma.h b/include/linux/qed/qede_rdma.h
index 9904617a9730..e29d7199c10e 100644
--- a/include/linux/qed/qede_rdma.h
+++ b/include/linux/qed/qede_rdma.h
@@ -55,6 +55,16 @@ struct qede_rdma_event_work {
enum qede_rdma_event event;
};
+enum qede_rdma_probe_mode {
+ QEDE_RDMA_PROBE_NORMAL,
+ QEDE_RDMA_PROBE_RECOVERY,
+};
+
+enum qede_rdma_remove_mode {
+ QEDE_RDMA_REMOVE_NORMAL,
+ QEDE_RDMA_REMOVE_RECOVERY,
+};
+
struct qedr_driver {
unsigned char name[32];
@@ -74,21 +84,24 @@ void qede_rdma_unregister_driver(struct qedr_driver *drv);
bool qede_rdma_supported(struct qede_dev *dev);
#if IS_ENABLED(CONFIG_QED_RDMA)
-int qede_rdma_dev_add(struct qede_dev *dev);
+int qede_rdma_dev_add(struct qede_dev *dev, enum qede_rdma_probe_mode mode);
void qede_rdma_dev_event_open(struct qede_dev *dev);
void qede_rdma_dev_event_close(struct qede_dev *dev);
-void qede_rdma_dev_remove(struct qede_dev *dev);
+void qede_rdma_dev_remove(struct qede_dev *dev,
+ enum qede_rdma_remove_mode mode);
void qede_rdma_event_changeaddr(struct qede_dev *edr);
#else
-static inline int qede_rdma_dev_add(struct qede_dev *dev)
+static inline int qede_rdma_dev_add(struct qede_dev *dev,
+ enum qede_rdma_probe_mode mode)
{
return 0;
}
static inline void qede_rdma_dev_event_open(struct qede_dev *dev) {}
static inline void qede_rdma_dev_event_close(struct qede_dev *dev) {}
-static inline void qede_rdma_dev_remove(struct qede_dev *dev) {}
+static inline void qede_rdma_dev_remove(struct qede_dev *dev,
+ enum qede_rdma_remove_mode mode) {}
static inline void qede_rdma_event_changeaddr(struct qede_dev *edr) {}
#endif
#endif